Prepare a large baking sheet by lining with parchment paper. Turn the dough out onto a silicone pastry mat or onto a clean counter dusted lightly with gfJules® All Purpose Flour (be sure to have enough counter space, at least 30 inches wide).
Roll the dough out to an elongated rectangle 24-30 inches long by 6-8 inches wide. Brush on the melted butter, coating the entire rectangle.
Sprinkle the filling mixture on top of the melted butter, spreading to the ends of the rectangle, but leaving 1/2-1 inch without toppings on each of the long sides of the rectangle.
Using a bench scraper or a spatula, gently peel up one of the long sides of the rectangle and begin rolling it as you would a jelly roll. Once the entire pastry is rolled upon itself until no pastry remains unrolled, a 24-30 inch long roll will remain. Gently pull the two ends of the roll together to form a circle or oval. (see photos above recipe card)
Dabbing the ends of the pastry with water, join the ends together to close the circle. Gently transfer the ring to the parchment-lined baking sheet, or transfer the ring on the silicone baking mat to the baking sheet.
Brush the milk on top of the exposed pastry, then using a large sharp knife, make a cut in the top of the pastry every 2 inches to expose one layer of the roll.
Spray a sheet of parchment with cooking oil, then cover the cake and let rise in a warm spot for 20-30 minutes like an an oven heated to 200º F then turned off.
Preheat oven to 350º F (static) or 325º F (convection).
Remove the paper from the cake and bake for 15-20 minutes or until a toothpick inserted into the center comes out clean. DO NOT OVERBAKE.
Remove to a wire rack to cool.
While cooling, mix icing ingredients and drizzle over the cake. Sprinkle colored sugar on top of wet icing, alternating colors (purple; green; yellow colored sugar) between each cut in the top of the cake.
Insert a pecan, M&M or plastic baby into the underside of the cake to hide it.